/**
 * Created by zby on 2018/3/25.
 */
public class MobileTelephone {
    SIM card;

    public void useSIM(SIM card) {
        this.card = card;
    }

    public void shouMess() {
        System.out.println("使用的卡是：" + card.giveCorpName() + "提供的");
        System.out.println("手机号码是：" + card.giveNumber());
    }
}
